What was found
RDU-CLT - FLT 455 - AFTER GEAR RETRACTION, RECEIVED A -RT MLG- FAULT MESSAGE WITH CHECKLIST. THE GEAR WAS CYCLED AND THE MESSAGE REAPPEARED. WITH OTHER SYSTEMS INDICATING GEAR RETRACTED, AND WITH NO ADVERSE YAW IN HANDLING, THE FLIGHT CONTINUED TO CLT AND LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE ADJUSTED THE RT MLG DOOR CLOSED LOCK SENSOR. OPERATIONALLY CHECKED OK. (M)